Parses a Basic Authorization header.
Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
Returns a AuthBasicCredentials containing the username and password
base64 encoded in
authorizationHeader. For example, if the input to this method was 'Basic base64String' it would decode the base64String and return the username and password by splitting that decoded string around the character ':'.override
) → String
A string representation of this object.